fd7b794e81
This change allows readonly FATFS to be mounted without wear levelling support. This will provide the customers a simple way to mount FATFS images generated on host and flashed onto the chip during factory provisioning. Since NVS encryption is not supported yet and NVS entry size is limited, the change will provide an easy alternative for securing the provisioning data by just marking FATFS parition as encrypted.
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include "ff.h"
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#include "esp_partition.h"
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#include "wear_levelling.h"
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#include "diskio.h"
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#include "diskio_wl.h"
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#include "catch.hpp"
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extern "C" void init_spi_flash(size_t chip_size, size_t block_size, size_t sector_size, size_t page_size, const char* partition_bin);
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TEST_CASE("create volume, open file, write and read back data", "[fatfs]")
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{
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init_spi_flash(0x00400000, CONFIG_WL_SECTOR_SIZE * 16, CONFIG_WL_SECTOR_SIZE, CONFIG_WL_SECTOR_SIZE, "partition_table.bin");
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FRESULT fr_result;
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BYTE pdrv;
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FATFS fs;
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FIL file;
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UINT bw;
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esp_err_t esp_result;
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const esp_partition_t *partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_FAT, "storage");
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// Mount wear-levelled partition
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wl_handle_t wl_handle;
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esp_result = wl_mount(partition, &wl_handle);
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REQUIRE(esp_result == ESP_OK);
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// Get a physical drive
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esp_result = ff_diskio_get_drive(&pdrv);
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REQUIRE(esp_result == ESP_OK);
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// Register physical drive as wear-levelled partition
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esp_result = ff_diskio_register_wl_partition(pdrv, wl_handle);
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// Create FAT volume on the entire disk
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DWORD part_list[] = {100, 0, 0, 0};
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BYTE work_area[FF_MAX_SS];
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fr_result = f_fdisk(pdrv, part_list, work_area);
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REQUIRE(fr_result == FR_OK);
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fr_result = f_mkfs("", FM_ANY, 0, work_area, sizeof(work_area)); // Use default volume
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// Mount the volume
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fr_result = f_mount(&fs, "", 0);
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REQUIRE(fr_result == FR_OK);
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// Open, write and read data
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fr_result = f_open(&file, "test.txt", FA_OPEN_ALWAYS | FA_READ | FA_WRITE);
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REQUIRE(fr_result == FR_OK);
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// Generate data
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uint32_t data_size = 100000;
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char *data = (char*) malloc(data_size);
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char *read = (char*) malloc(data_size);
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for(uint32_t i = 0; i < data_size; i += sizeof(i))
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{
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*((uint32_t*)(data + i)) = i;
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}
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// Write generated data
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fr_result = f_write(&file, data, data_size, &bw);
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REQUIRE(fr_result == FR_OK);
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REQUIRE(bw == data_size);
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// Move to beginning of file
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fr_result = f_lseek(&file, 0);
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REQUIRE(fr_result == FR_OK);
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// Read written data
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fr_result = f_read(&file, read, data_size, &bw);
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REQUIRE(fr_result == FR_OK);
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REQUIRE(bw == data_size);
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REQUIRE(memcmp(data, read, data_size) == 0);
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// Close file
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fr_result = f_close(&file);
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REQUIRE(fr_result == FR_OK);
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// Unmount default volume
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fr_result = f_mount(0, "", 0);
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REQUIRE(fr_result == FR_OK);
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free(read);
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free(data);
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}
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